---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-33080 6.8.0-90-generic #91-Ubuntu SMP PREEMPT_DYNAMIC Tue Nov 18 14:14:30 UTC 2025 x86_64 x86_64 x86_64 GNU/Linux ---> lscpu: Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Address sizes: 40 bits physical, 48 bits virtual Byte Order: Little Endian CPU(s): 2 On-line CPU(s) list: 0,1 Vendor ID: AuthenticAMD Model name: AMD EPYC-Rome Processor CPU family: 23 Model: 49 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 2 Stepping: 0 BogoMIPS: 5599.99 Flags: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 syscall nx mmxext fxsr_opt pdpe1gb rdtscp lm rep_good nopl cpuid extd_apicid tsc_known_freq pni pclmulqdq ssse3 fma cx16 sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand hypervisor lahf_lm cmp_legacy svm cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw topoext perfctr_core ssbd ibrs ibpb stibp vmmcall fsgsbase tsc_adjust bmi1 avx2 smep bmi2 rdseed adx smap clflushopt clwb sha_ni xsaveopt xsavec xgetbv1 clzero xsaveerptr wbnoinvd arat npt nrip_save umip rdpid arch_capabilities Virtualization: AMD-V Hypervisor vendor: KVM Virtualization type: full L1d cache: 64 KiB (2 instances) L1i cache: 64 KiB (2 instances) L2 cache: 1 MiB (2 instances) L3 cache: 32 MiB (2 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0,1 Vulnerability Gather data sampling: Not affected Vulnerability Itlb multihit: Not affected Vulnerability L1tf: Not affected Vulnerability Mds: Not affected Vulnerability Meltdown: Not affected Vulnerability Mmio stale data: Not affected Vulnerability Reg file data sampling: Not affected Vulnerability Retbleed: Mitigation; untrained return thunk; SMT disabled Vulnerability Spec rstack overflow: Vulnerable: Safe RET, no microcode Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl Vulnerability Spectre v1: Mitigation; usercopy/swapgs barriers and __user pointer sanitization Vulnerability Spectre v2: Mitigation; Retpolines; IBPB conditional; STIBP disabled; RSB filling; PBRSB-eIBRS Not affected; BHI Not affected Vulnerability Srbds: Not affected Vulnerability Tsx async abort: Not affected Vulnerability Vmscape: Not affected ---> nproc: 2 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 795M 1.1M 794M 1% /run /dev/vda1 38G 7.9G 30G 21% / tmpfs 3.9G 0 3.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda16 881M 117M 703M 15% /boot /dev/vda15 105M 6.2M 99M 6% /boot/efi tmpfs 795M 16K 795M 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 7941 746 5221 4 2266 7195 Swap: 1023 0 1023 ---> ip addr: 1: lo: mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo valid_lft forever preferred_lft forever inet6 ::1/128 scope host noprefixroute valid_lft forever preferred_lft forever 2: ens3: mtu 1458 qdisc mq state UP group default qlen 1000 link/ether fa:16:3e:d3:88:bc brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.175/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82005sec preferred_lft 82005sec inet6 fe80::f816:3eff:fed3:88bc/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-33080) 07/05/26 _x86_64_ (2 CPU) 01:47:14 LINUX RESTART (2 CPU) 01:50:06 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:06 1.67 0.02 1.63 0.02 1.24 19.72 654.43 02:10:05 1.87 0.26 1.58 0.03 31.05 76.27 1.37 02:20:05 1.38 0.01 1.35 0.01 1.07 16.43 1.01 02:30:06 1.55 0.00 1.53 0.02 0.00 18.66 652.73 02:40:07 1.30 0.00 1.30 0.00 0.00 15.45 0.00 02:50:07 13.95 0.00 1.41 12.53 0.15 16.56 109038.27 03:00:08 28.58 3.08 21.86 3.64 233.44 3667.40 2444.55 Average: 7.19 0.48 4.38 2.32 38.14 547.41 16117.91 01:50:06 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:06 6284380 7531300 289420 3.56 30560 1422072 528272 5.75 450436 1183220 184 02:10:05 6239100 7513184 306980 3.77 30948 1448496 735484 8.01 464884 1201268 184 02:20:05 6238624 7513580 306600 3.77 31164 1449148 528488 5.76 459660 1201816 256 02:30:06 6258156 7533664 286480 3.52 31352 1449468 531052 5.78 457340 1202332 184 02:40:07 6258156 7534160 285984 3.52 31512 1449796 531044 5.78 457616 1202820 188 02:50:07 6257404 7534084 285924 3.52 31680 1450296 531116 5.78 457832 1203332 204 03:00:08 5401124 7417700 358928 4.41 89400 2095968 617736 6.73 600452 1859536 14368 Average: 6133849 7511096 302902 3.72 39517 1537892 571885 6.23 478317 1293475 2224 01:50:06 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:06 ens3 1.26 0.06 0.13 0.03 0.00 0.00 0.00 0.00 02:10:05 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:10:05 ens3 0.82 0.25 3.22 0.03 0.00 0.00 0.00 0.00 02:20:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:05 ens3 1.53 0.04 7.46 0.01 0.00 0.00 0.00 0.00 02:30:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:06 ens3 0.62 0.04 0.82 0.01 0.00 0.00 0.00 0.00 02:40:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:07 ens3 0.45 0.07 0.09 0.04 0.00 0.00 0.00 0.00 02:50:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:07 ens3 0.41 0.08 0.11 0.06 0.00 0.00 0.00 0.00 03:00:08 lo 1.37 1.37 0.09 0.09 0.00 0.00 0.00 0.00 03:00:08 ens3 163.90 133.44 1602.62 88.56 0.00 0.00 0.00 0.00 Average: lo 1.05 1.05 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 24.15 19.15 230.73 12.68 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-33080) 07/05/26 _x86_64_ (2 CPU) 01:47:14 LINUX RESTART (2 CPU) 01:50:06 CPU %user %nice %system %iowait %steal %idle 02:00:06 all 0.25 0.00 0.18 0.02 0.03 99.52 02:00:06 0 0.06 0.00 0.16 0.02 0.03 99.73 02:00:06 1 0.45 0.00 0.19 0.02 0.03 99.31 02:10:05 all 0.38 0.00 0.10 0.05 0.03 99.44 02:10:05 0 0.14 0.00 0.10 0.06 0.03 99.68 02:10:05 1 0.62 0.00 0.11 0.05 0.02 99.20 02:20:05 all 0.22 0.00 0.08 0.03 0.02 99.64 02:20:05 0 0.39 0.00 0.07 0.02 0.02 99.50 02:20:05 1 0.06 0.00 0.09 0.04 0.02 99.79 02:30:06 all 0.27 0.00 0.17 0.01 0.03 99.53 02:30:06 0 0.38 0.00 0.16 0.01 0.02 99.43 02:30:06 1 0.15 0.00 0.18 0.02 0.03 99.62 02:40:07 all 0.27 0.00 0.08 0.02 0.02 99.61 02:40:07 0 0.06 0.00 0.11 0.02 0.02 99.79 02:40:07 1 0.48 0.00 0.05 0.01 0.02 99.44 02:50:07 all 0.26 0.00 0.09 0.06 0.02 99.57 02:50:07 0 0.07 0.00 0.11 0.08 0.02 99.72 02:50:07 1 0.46 0.00 0.08 0.03 0.02 99.42 03:00:08 all 19.33 0.00 2.66 1.05 0.07 76.89 03:00:08 0 21.92 0.00 3.00 1.01 0.08 73.99 03:00:08 1 16.76 0.00 2.31 1.09 0.06 79.78 Average: all 2.99 0.00 0.48 0.18 0.03 96.33 Average: 0 3.27 0.00 0.53 0.17 0.03 95.99 Average: 1 2.70 0.00 0.43 0.18 0.03 96.66